The oil and railroad industries are urging federal regulators to allow them as long as seven years to upgrade existing tank cars that transport highly volatile crude oil, a top oil industry official said Tuesday. The cars have ruptured and spilled oil during collisions, leading to intense fires. Jack Gerard, president of the American Petroleum Institute, told reporters that his group and the Association of American Railroads are jointly asking the Transportation Department for six months to 12 months for rail tank car manufacturers to gear up to overhaul tens of thousands of cars and another three years to retrofit older cars. The two industries, at odds until recently over how best to prevent oil train collisions and fires, also want three years after that to upgrade newer tank cars manufactured since 2011, known as “1232 cars,” he said. The Transportation Department is […]